Term
toward the head; above the area of interest |
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Definition
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below the landmark; toward the feet |
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Definition
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toward the midline of the body |
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Definition
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toward the side, away from the midline of the body |
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Definition
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Definition
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Definition
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nearest or closest to the point of reference; usu. toward ML |
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Definition
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furthest from the ML or origination |
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Definition
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along the long axis of the body or the long axis of an organ |
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Definition
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perpendicular to the long axis |
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Definition
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Term
What part of the screen shows what is nearest to the transducer? |
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Definition
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Term
reflects echoes with higher intensity |
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Definition
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Term
echogenicity of a low level |
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Definition
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Term
echoes with the same intensity |
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Definition
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tissue without echoes; black on screen |
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Definition
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Term
similar echoes throughout a tissue |
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Definition
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Term
a tissue with a variety of different echo characteristics throughout |
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Definition
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Term
What is the sonographic appearance of the AO? |
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Definition
anechoic structure with echogenic walls |
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Term
What is the largest artery of the body? |
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Definition
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Term
At the proximal AO the measurement is approximately... |
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Definition
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Term
What section of AO arises from the left ventricle? |
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Definition
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Term
What are the four sections of the thoracic AO? |
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Definition
root of AO, ascending AO, aortic arch, descending AO |
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Term
What section of the AO gives rise to the right innominate artery, left common carotid, and left subclavian |
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Definition
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Term
What does the AO become after passing throught the diaphragm? |
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Definition
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Term
What is the first branch off the abdominal AO? |
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Definition
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Term
What three vessels come off the celiac axis? |
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Definition
left gastric aretery, common hepatic artery, splenic artery |
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Term
Which is the largest vessel of the celiac axis? |
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Definition
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Term
What part of the CA supplies the pancreas and the spleen? |
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Definition
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Term
What part of the CA supplies the liver? |
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Definition
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Term
What part of the CA supplies the lower esophagus and stomach? |
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Definition
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Term
What two vessels come off the AO anteriorly near the proximal abdominal AO? |
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Definition
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Term
Why is the right renal artery longer than the left? |
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Definition
because it travels farther bc the AO sits to the left of ML |
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Term
What is a dilation of an arterial vessel called? |
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Definition
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Term
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Definition
narrowing of a vessel usu. caused by plaque formation or calcification |
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Term
What is an outpouching of one side of the vessel? |
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Definition
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Term
What is it when a flap tears away from the vessel wall causing an accumulation of blood between the flap and vessel wall |
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Definition
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Term
What are the 3 layers of a vessel inner to outer? |
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Definition
tunica intima tunica media tunica adventitia |
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Term
Remember the weird coronal image of the AO |
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Definition
the AO is the one with the branches (renal arteries) |
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Term
Why is the IVC and all veins more collapsible than arteries? |
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Definition
their tunica media is much thinner than in arteries |
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Term
The confluence of what veins form the IVC? |
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Definition
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Term
What are the 4 sections of the IVC? |
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Definition
hepatic, pre-renal, renal, post-renal |
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Term
What vessels have a "bunny" or "reindeer' appearance? |
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Definition
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Term
Which is longer, the left or right renal vein? |
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Definition
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Term
The veins are a ______ pressure system. |
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Definition
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Term
What structures in veins control flow by preventing backflow? |
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Definition
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Term
The splenic vein, SMV and IMV do not attach directly to the IVC, why? |
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Definition
because they form the portal venous system |
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Term
What are we looking for in the IVC that could be life-threatening? |
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Definition
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Term
What is the avg measurement of the AO distally? |
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Definition
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Term
At what measurement is the AO considered dilated? |
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Definition
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Term
Why is the size of the IVC variable? |
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Definition
it stretches out and is collapsible |
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Term
Name the three hepatic veins |
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Definition
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Term
The diameter of the LRV is __________ than the RRV. |
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Definition
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